- 您现在的位置：买卖IC网 > PDF目录68559 > W91212S (WINBOND ELECTRONICS CORP) TELEPHONE DIALER CKT, PDSO20 PDF资料下载
参数资料
| 型号： | W91212S |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | TELEPHONE DIALER CKT, PDSO20 |
| 封装： | SOP-20 |
| 文件页数： | 7/13页 |
| 文件大小： | 69K |
| 代理商： | W91212S |
W91210 SERIES
Publication Release Date: May 1999
- 3 -
Revision A4
Pin Description, continued
SYMBOL
16-PIN
I/O
FUNCTION
HKS
9
I
Hook switch input.
HKS = 1: On-hook state. Chip in sleep mode, no operation.
HKS = 0: Off-hook state. Chip enabled for normal operation.
HKS pin is pulled to VDD by internal resistor.
DP /C4
10
O
N-channel open drain dialing pulse output (Figure 1). Flash key will
cause DP to be active in either tone mode or pulse mode.
DTMF
11
O
In pulse mode, remains in low state. In tone mode, outputs a dual or
single tone. Detailed timing diagram for tone mode is shown in
Figure 2(a, b).
OUTPUT FREQUENCY
Specified
Error %
R2
R3
R4
C1
C2
C3
697
770
852
941
1209
1336
1477
Actual
699
766
848
948
1216
1332
1472
+0.28
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
R1
VDD, VSS
12, 5
I
Power input pins.
BLOCK DIAGRAM
HKS
MODE
T/P MUTE
COLUMN
ROW
XT XT
DP/C4
(R1 to R4)
DTMF
SYSTEM CLOCK
GENERATION
READ/WRITE
COUNTER
RAM
LOCATION
LATCH
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
KEYBOARD
INTERFACE
(C1 to C3)
D/A
CONVERTER
PULSE
CONTROL
LOGIC
CONTROL
LOGIC
相关PDF资料 |
PDF描述 |
|---|---|
| W91312AS | TELEPHONE DIALER CKT, PDSO20 |
| W91314AS | TELEPHONE DIALER CKT, PDSO20 |
| W91820AN/824AN | TELEPHONE DIALER CKT, PDIP22 |
| W91820N/824N | TELEPHONE DIALER CKT, PDIP20 |
| W9321S | MU-LAW, ADPCM CODEC, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W91214A | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91216 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91310 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91310N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telephone Dialer |
| W91312 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
发布紧急采购，3分钟左右您将得到回复。